Ransomware group REvil’s sites on the dark web went down Tuesday, weeks after the group attacked meat processing company JBS and information technology firm Kaseya in a breach that compromised up to 1,500 clients. And those attacks came on the heels of DarkSide’s major strike in May against the Colonial Pipeline, forcing it to temporarily cease operations. Ransomware attacks — which encrypt online systems and hold their data for ransom — more than doubled from 2019 to 2020 in the US, according to a Washington Post analysis. We’ll look at how and why these attacks occur and the national security threat they pose.
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